Question

x^2+x-(x-2)(x^2+2x+4)

Answer 1

Объяснение:

$x {}^{2} + x - (x - 2)(x {}^{2} + 2x + 4) = x {}^{2} + x - (x {}^{3} - 8) = x {}^{2} + x - x {}^{3} + 8$